期刊
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS
卷 304, 期 1, 页码 E273-E275出版社
ELSEVIER
DOI: 10.1016/j.jmmm.2006.02.016
关键词
Spin injection; Spin accumulation; Spin valve
资金
- Korea Institute of Science and Technology Vision 21 program
- Kwangwoon University
- MOST/KOSEF [R11-2000-071]
We have investigated the electrical spin injection and accumulation in lateral spin valve devices composed of Ni81Fe19 as ferromagnetic injector and detector, and Au as a spin transmitting channel. With various edge-to-edge separations between spin injector and detector, our device geometry enables us to experimentally investigate spin valve effects for both the local and non-local measurement configurations. The measurements yield a spin diffusion length of 85 nm at 15 K in the Au channel. The spin valve signals decrease as the temperature increases. (C) 2006 Elsevier B.V. All rights reserved.
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